Question

Define i) gauss's law ii) biot-savart law iii) ampere's law iv) faraday's law

Answer 1

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1) gauss's law


Gauss's Law. The total of the electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity. The electric flux through an area is defined as the electric field multiplied by the area of the surface projected in a plane perpendicular to the field.





2) biot-savart law



Biot-Savart law. : a statement in electromagnetism: the magnetic intensity at any point due to a steady current in an infinitely long straight wire is directly proportional to the current and inversely proportional to the distance from point to wire — compare ampere's law.





3) ampere's law



Ampere's Law states that for any closed loop path, the sum of the length elements times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.





4) faraday's law



Faraday's law of induction is a basic law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electromotive force —a phenomenon called electromagnetic induction



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Answer 2

Guass's law states that

"the flux through any closed surface is 1/ε times the total charge enclosed in it"

Faradys law states that

"the average EMF induced in a conducting coil of N loops is equal to the negative of the rate at which the magnetic flux through the coil is changing with time"

amperes law states that

"sum of the quantities Β.Δl for all path elements into which the complete loop has been divided equals μο times the total current enclosed by the loop"

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